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関連する概念動画

Peptic Ulcer01:27

Peptic Ulcer

30
Peptic ulcers are erosive lesions of the gastric or duodenal lining, most commonly caused by Helicobacter pylori infection. This Gram-negative, helical bacterium has adapted to survive the stomach’s acidic environment by producing urease, which converts urea into ammonia and carbon dioxide. The ammonia neutralizes gastric acid in the bacterium’s immediate environment, allowing colonization of the gastric mucosa. H. pylori attaches to mucus-secreting epithelial cells, penetrates the...
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Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

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Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
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Peptic Ulcer Disease II: Pathophysiology01:28

Peptic Ulcer Disease II: Pathophysiology

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Peptic Ulcer Disease (PUD) is characterized by the development of ulcers in the stomach or duodenal mucosa. Its pathophysiology is complex, involving a balance between damaging and protective elements.
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
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Pathophysiology of Peptic Ulcer Disease: Injurious Factors01:22

Pathophysiology of Peptic Ulcer Disease: Injurious Factors

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Peptic ulcers are sores on the stomach's inner lining and the upper small intestine, which are the result of disruptions in the mucosal layer that houses parietal cells which produce gastric acid, and chief cells which secrete pepsinogen.
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds...
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Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

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Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
787
Esophageal Perforation-I: Introduction01:22

Esophageal Perforation-I: Introduction

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Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
The location of esophageal perforation can vary, occurring anywhere along the esophagus....
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perforated peptic ulcer 穿孔した胃潰瘍

Kjetil Søreide1, Kenneth Thorsen2, Ewen M Harrison3

  • 1Department of Gastrointestinal Surgery, Stavanger University Hospital, Stavanger, Norway; Department of Clinical Medicine, University of Bergen, Bergen, Norway.

Lancet (London, England)
|October 14, 2015
PubMed
まとめ

穿孔性胃潰瘍の治療には早期の手術と症のコントロールが必要です. 臨床的意思決定を改善し,この一般的な緊急事態における高い死亡率を減らすために,より質の高い試験が必要です.

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科学分野:

  • 胃腸内科
  • 緊急 医療
  • 手術 研究

背景:

  • 穿孔性胃潰瘍 (PPU) は,最大30%の死亡率を持つ世界的な緊急事態です.
  • 限られた高品質の研究は,PPUの最適な臨床意思決定を妨げています.
  • 人口統計と病因学的差異が世界的に存在し,PPUの結果に影響を与えています.

研究 の 目的:

  • 穿孔性胃潰瘍の管理に関する現在の証拠を要約します.
  • PPUにおける臨床試験における 研究のギャップと将来の方向性を特定する.

主な方法:

  • PPUに関する入手可能なランダム化試験と出版された文献のレビュー.
  • PPUの人口統計,原因,死亡率に影響を与える要因の分析
  • 外科的および非外科的アプローチを含む現在の管理戦略の評価

主要な成果:

  • 早期の手術 (腹腔鏡または開いた修復) と毒症の管理は,PPUにとって極めて重要です.
  • 非手術的および内視的アプローチは有望ですが,さらなる試験の検証が必要です.
  • 臨床予測の規則の正確性は変化し,改善された証拠が必要である.

結論:

  • 高品質で偏差が少ない試験が緊急に必要であり,PPU管理の証拠を進める必要があります.
  • 術後のモニタリングの最適化に重点を置くべきです.
  • PPUの治療を世界的に標準化するには 確固たる臨床試験データが必要です